<!DOCTYPE html>
<style>td { width: 50px; height: 50px; padding: 0 }</style>
<div style="overflow: hidden; width: 100px; height: 100px">
  <table style="margin-top: -80px; border-spacing: 0">
    <tr style="background: blue">
      <td rowspan="3"></td>
      <td></td>
    </tr>
    <tr style="background: yellow">
      <td></td>
    </tr>
    <tr style="background: yellow">
      <td></td>
    </tr>
  </table>
</div>
